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[PATCH v2 8/9] iotests.py: add verify_o_direct helper


From: Vladimir Sementsov-Ogievskiy
Subject: [PATCH v2 8/9] iotests.py: add verify_o_direct helper
Date: Fri, 14 Aug 2020 16:03:47 +0300

Add python notrun-helper similar to _check_o_direct for bash tests.
To be used in the following commit.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
 tests/qemu-iotests/iotests.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 717b5b652c..369e9918b4 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -1083,6 +1083,12 @@ def _verify_aio_mode(supported_aio_modes: Sequence[str] 
= ()) -> None:
     if supported_aio_modes and (aiomode not in supported_aio_modes):
         notrun('not suitable for this aio mode: %s' % aiomode)
 
+def verify_o_direct() -> None:
+    with FilePath('test_o_direct') as f:
+        qemu_img_create('-f', 'raw', f, '1M')
+        if 'O_DIRECT' in qemu_io('-f', 'raw', '-t', 'none', '-c', 'quit', f):
+            notrun(f'file system at {test_dir} does not support O_DIRECT')
+
 def supports_quorum():
     return 'quorum' in qemu_img_pipe('--help')
 
-- 
2.21.3




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